Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem foi o juiz chefe de Jack Edward Tanner?
 ###Tabelas: CREATE TABLE former_judges (former_judges_id AUTO_INCREMENT PRIMARY KEY, Judge VARCHAR, State VARCHAR, Born/Died VARCHAR, Active service VARCHAR, Chief Judge VARCHAR, Senior status VARCHAR, Appointed by VARCHAR, Reason for termination VARCHAR) CREATE TABLE current_clubs_2014_season (current_clubs_2014_season_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Position in 2013 VARCHAR, First season INT, First season of current spell INT, Number of seasons in Superettan INT, Number of seasons in second tier INT) CREATE TABLE lifetime_grosses (lifetime_grosses_id AUTO_INCREMENT PRIMARY KEY, Year INT, Film VARCHAR, Budget VARCHAR, Domestic Box Office VARCHAR, Foreign Box Office VARCHAR, Total VARCHAR, US DVD sales VARCHAR, Total (with DVD sales) VARCHAR) CREATE TABLE electronic-paper_displays (electronic-paper_displays_id AUTO_INCREMENT PRIMARY KEY, Maker VARCHAR, Model VARCHAR, Intro year VARCHAR, Screen size (inch) VARCHAR, Self-lit VARCHAR, Screen type VARCHAR, Weight VARCHAR, Screen pixels VARCHAR, Touch screen VARCHAR, micro SDHC VARCHAR) CREATE TABLE 2008___2009_data (2008___2009_data_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Airport VARCHAR, Total Passengers 2008 INT, Total Passengers 2009 INT, Change 2008/09 VARCHAR, Aircraft movements 2009 INT)  
SELECT Chief Judge FROM former_judges WHERE Judge = jack edward tanner